DESD5V0U1BA-7
Diodes Incorporated
Needs validationmedium risk
A potential functional alternative with better protection, but is bidirectional and has a slightly lower current rating.
Best Alternatives to PESD5V0L1UA,115
PESD5V0L1UA,115 is a low-capacitance unidirectional TVS diode from Nexperia, ideal for protecting 5V high-speed data lines. Finding a substitute requires matching its 5V standoff voltage, low 25pF capacitance, and unidirectional configuration.
AI replacement insight
Electrical riskhigh
Mismatches in polarity, clamping voltage, and capacitance are common in candidates.
Package risklow
The SOD323 package is common and several candidates match the form factor.
Can it be replaced directly?
No direct drop-in replacement was found. All candidates have significant electrical differences requiring engineering review.
Best replacement path
DESD5V0U1BA-7 is a promising functional alternative if the bidirectional nature and slightly lower current rating are acceptable.
Main risk
The primary risk is functional incompatibility due to mismatched polarity, clamping voltage, or capacitance, which could lead to inadequate protection or signal failure.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | PESD5V0L1UA,115 | DESD5V0U1BA-7 | PESD5V0S1UA,115 | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOD323 (SC-76) | SOD323 | SOD323 (SC-76) | SOD323 / SOD323 (SC-76) — Form factor matches.; PESD5V0S1UA,115: Form factor matches. | |
| Voltage | 5.0V | 5.0V | 5.0V | 5.0V — Reverse standoff voltage matches.; PESD5V0S1UA,115: Reverse standoff voltage matches. | |
| Polarity | Unidirectional | Bidirectional | - | Bidirectional — Target is unidirectional; requires circuit review. | |
| Current | 3.5A | 3.0A | 47A | 3.0A / 47A — Slightly lower peak pulse current rating.; PESD5V0S1UA,115: Significantly higher peak pulse current handling. | |
| Clamping Voltage | 12V | 7.2V | 19V | 7.2V / 19V — Lower clamping voltage provides better protection.; PESD5V0S1UA,115: Higher clamping voltage offers less protection. | |
| Capacitance | 25pF | <2.9pF | 480pF | <2.9pF / 480pF — Lower capacitance is better for high-speed signals.; PESD5V0S1UA,115: Much higher capacitance, unsuitable for high-speed lines. |
Application & sourcing insights
Questions & answers
The best alternative depends on the application's tolerance for parameter changes. DESD5V0U1BA-7 offers better protection (lower clamping voltage, lower capacitance) but is bidirectional and has slightly lower current handling. It requires engineering review.